Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Lower critical Eutectic Upper critical Recrystallisation Lower critical Eutectic Upper critical Recrystallisation ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its All of these High co-efficient of thermal expansion Low thermal conductivity High corrosion resistance All of these High co-efficient of thermal expansion Low thermal conductivity High corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermosetting resins are those polymers, which Allow slip to occur between molecules None of these Do not increase in plasticity with rise in temperature Do not take on a permanent set Allow slip to occur between molecules None of these Do not increase in plasticity with rise in temperature Do not take on a permanent set ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Age hardening is concerned with Silver Copper Brass Duralumin Silver Copper Brass Duralumin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Prevent its rusting by contact with corrosive atmosphere Neither A nor B Both A & B Protect the base metal by cathodic protection Prevent its rusting by contact with corrosive atmosphere Neither A nor B Both A & B Protect the base metal by cathodic protection ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Soap kettle used in the production of laundry soap is made of Steel with top section nickel clad or stainless steel Cast iron Concrete Nickel Steel with top section nickel clad or stainless steel Cast iron Concrete Nickel ANSWER DOWNLOAD EXAMIANS APP
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